diff --git a/api/censusdb/censusdb.go b/api/censusdb/censusdb.go
index 639a39985..72f322326 100644
--- a/api/censusdb/censusdb.go
+++ b/api/censusdb/censusdb.go
@@ -289,7 +289,7 @@ func (c *CensusDB) List() ([]*CensusList, error) {
 	c.Lock()
 	defer c.Unlock()
 	var list []*CensusList
-	if err := c.db.Iterate([]byte(censusDBreferencePrefix), func(key []byte, data []byte) bool {
+	if err := c.db.Iterate([]byte(censusDBreferencePrefix), func(key, data []byte) bool {
 		censusID := make([]byte, len(key))
 		copy(censusID, key)
 		dec := gob.NewDecoder(bytes.NewReader(data))
@@ -340,7 +340,7 @@ func (c *CensusDB) ExportCensusDB(buffer io.Writer) error {
 	c.Lock()
 	defer c.Unlock()
 	// Iterate through all census entries in the DB
-	err := c.db.Iterate([]byte(censusDBreferencePrefix), func(key []byte, data []byte) bool {
+	err := c.db.Iterate([]byte(censusDBreferencePrefix), func(key, data []byte) bool {
 		censusID := make([]byte, len(key))
 		copy(censusID, key)
 		dec := gob.NewDecoder(bytes.NewReader(data))
diff --git a/api/wallet.go b/api/wallet.go
index bec76a900..a4cdb30a9 100644
--- a/api/wallet.go
+++ b/api/wallet.go
@@ -398,12 +398,8 @@ func (a *API) walletElectionHandler(msg *apirest.APIdata, ctx *httprouter.HTTPCo
 			Description: question.Description,
 			Title:       question.Title,
 		}
-		for _, choice := range question.Choices {
-			metaQuestion.Choices = append(metaQuestion.Choices, ChoiceMetadata{
-				Title: choice.Title,
-				Value: choice.Value,
-			})
-		}
+
+		metaQuestion.Choices = append(metaQuestion.Choices, question.Choices...)
 		metadata.Questions = append(metadata.Questions, metaQuestion)
 	}
 
diff --git a/cmd/cli/editor.go b/cmd/cli/editor.go
index 230217b06..90bb1e4c8 100644
--- a/cmd/cli/editor.go
+++ b/cmd/cli/editor.go
@@ -25,7 +25,7 @@ func GetPreferredEditorFromEnvironment() string {
 	return editor
 }
 
-func resolveEditorArguments(executable string, filename string) []string {
+func resolveEditorArguments(executable, filename string) []string {
 	args := []string{filename}
 
 	if strings.Contains(executable, "Visual Studio Code.app") {
diff --git a/data/ipfs/ipfs.go b/data/ipfs/ipfs.go
index 4dc72c7aa..05ac211ae 100644
--- a/data/ipfs/ipfs.go
+++ b/data/ipfs/ipfs.go
@@ -88,7 +88,7 @@ func (i *Handler) Init(d *types.DataStore) error {
 		}
 	}()
 	log.Infow("IPFS initialization",
-		"peerID", node.Identity.Pretty(),
+		"peerID", node.Identity.String(),
 		"addresses", node.PeerHost.Addrs(),
 		"pubKey", node.PrivateKey.GetPublic(),
 	)
diff --git a/db/interface.go b/db/interface.go
index 841b9b4ae..bc84f9f09 100644
--- a/db/interface.go
+++ b/db/interface.go
@@ -63,7 +63,7 @@ type WriteTx interface {
 
 	// Set adds a key-value pair. If the key already exists, its value is
 	// updated.
-	Set(key []byte, value []byte) error
+	Set(key, value []byte) error
 	// Delete deletes a key and its value.
 	Delete(key []byte) error
 	// Apply applies the value-passed WriteTx into the given WriteTx,
diff --git a/db/prefixeddb/prefixeddb.go b/db/prefixeddb/prefixeddb.go
index ccc0d41ee..8b926a596 100644
--- a/db/prefixeddb/prefixeddb.go
+++ b/db/prefixeddb/prefixeddb.go
@@ -130,7 +130,7 @@ func (t *PrefixedWriteTx) Discard() {
 }
 
 // Set implements the db.WriteTx.Set interface method
-func (t *PrefixedWriteTx) Set(key []byte, value []byte) error {
+func (t *PrefixedWriteTx) Set(key, value []byte) error {
 	return t.tx.Set(prefixSlice(t.prefix, key), value)
 }
 
diff --git a/subpub/discovery.go b/subpub/discovery.go
index 32370bbb7..938051843 100644
--- a/subpub/discovery.go
+++ b/subpub/discovery.go
@@ -85,7 +85,7 @@ func (s *SubPub) discover(ctx context.Context) {
 			continue
 		}
 		cancel()
-		log.Infow("connected to cluster peer!", "address", peer.ID.Pretty())
+		log.Infow("connected to cluster peer!", "address", peer.ID.String())
 
 		// protect the peer from being disconnected by the connection manager
 		s.node.PeerHost.ConnManager().Protect(peer.ID, "discoveredPeer")
diff --git a/subpub/gossipsub.go b/subpub/gossipsub.go
index 33d616148..08b2354af 100644
--- a/subpub/gossipsub.go
+++ b/subpub/gossipsub.go
@@ -66,7 +66,7 @@ func (s *SubPub) joinGossip(ctx context.Context, p2pPS *pubsub.PubSub, selfID pe
 		self:     selfID,
 		Messages: make(chan *Message, GossipBufSize),
 	}
-	log.Infow("joined to gossipsub topic", "topic", sub.Topic(), "peer", selfID.Pretty())
+	log.Infow("joined to gossipsub topic", "topic", sub.Topic(), "peer", selfID.String())
 
 	// start reading messages from the subscription in a loop
 	go s.readGossipLoop() // this spawns a single background task per instance (since a single gossip topic is used)
diff --git a/subpub/subpub.go b/subpub/subpub.go
index 2dd982f07..cbf7c8bda 100644
--- a/subpub/subpub.go
+++ b/subpub/subpub.go
@@ -94,7 +94,7 @@ func (s *SubPub) Start(ctx context.Context, receiver chan *Message) {
 		log.Fatal("no group key provided")
 	}
 	ipfslog.SetLogLevel("*", "ERROR")
-	s.NodeID = s.node.PeerHost.ID().Pretty()
+	s.NodeID = s.node.PeerHost.ID().String()
 	s.messages = receiver
 	s.setupDiscovery(ctx)
 	s.setupGossip(ctx)
diff --git a/test/api_test.go b/test/api_test.go
index a9c483eb5..620e78654 100644
--- a/test/api_test.go
+++ b/test/api_test.go
@@ -298,8 +298,8 @@ func TestAPIElectionCost(t *testing.T) {
 
 func runAPIElectionCostWithParams(t *testing.T,
 	electionParams electionprice.ElectionParameters,
-	startBlock uint32, initialBalance uint64,
-	txCostNewProcess, networkCapacity uint64,
+	startBlock uint32, initialBalance,
+	txCostNewProcess, networkCapacity,
 	expectedPrice uint64,
 ) {
 	server := testcommon.APIserver{}
diff --git a/types/big.go b/types/big.go
index d86ed9884..8f84217d9 100644
--- a/types/big.go
+++ b/types/big.go
@@ -48,17 +48,17 @@ func (i *BigInt) MathBigInt() *big.Int {
 }
 
 // Add sum x+y
-func (i *BigInt) Add(x *BigInt, y *BigInt) *BigInt {
+func (i *BigInt) Add(x, y *BigInt) *BigInt {
 	return (*BigInt)(i.MathBigInt().Add(x.MathBigInt(), y.MathBigInt()))
 }
 
 // Sub subs x-y
-func (i *BigInt) Sub(x *BigInt, y *BigInt) *BigInt {
+func (i *BigInt) Sub(x, y *BigInt) *BigInt {
 	return (*BigInt)(i.MathBigInt().Sub(x.MathBigInt(), y.MathBigInt()))
 }
 
 // Mul multiplies x*y
-func (i *BigInt) Mul(x *BigInt, y *BigInt) *BigInt {
+func (i *BigInt) Mul(x, y *BigInt) *BigInt {
 	return (*BigInt)(i.MathBigInt().Mul(x.MathBigInt(), y.MathBigInt()))
 }